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Free STARTER esim for JAPAN

Japan eSIM
Data Plans

Get fast mobile data in Japan with a SimBuster travel eSIM. Install by QR code, stay online in Tokyo, Osaka, Kyoto and across Japan, and manage your data inside the app.

Perfect for travel, privacy, and calling.

Download on the
App Store
Get it on
Google Play

*Requires an unlocked, eSIM-compatible device. Data, coverage and add-more-data support may vary by plan.

Japan eSIM

High Speed Data

Instant Activation

Activate in minutes

No Roaming Fees

Local data at local rates

Flexible Plans

Choose what suits you

24/7 Support

We’re here anytime

Choose Your Japan eSIM Plan

Simple, flexible plans with reliable high-speed data.

How IT Works Steps

  1. Download app

    Get the Simbuster app from App Store or Google Play.

  2. Choose Japan Plan

    Choose the plan that fits your trip.

  3. Install eSIM icon

    Instal eSIM

    Scan QR Code and install in just few taps.

  4. Connect in Japan

    Land, your on data and you’re online!

What’s Included

Instant Delivery

Get you eSIM instantly

App Management

Mange everything in one app

Secure Connection

Encrypted and private

Usage tracking

Monitor data use in real time

Top Up in App

Add more data anytime

Extend Validity

Extend your plan with one tap

Arrive in Japan
Connected

Get a complimentary starter Japan eSIM and go online as soon as you land. Use maps, messages and ride apps without hunting for airport wi-fi.

  • Free Starter Data
  • Instant QR Setup
  • No SIM Swap
  • Add More Data

Japan eSIM

High Speed Mobile Data

GET FREE JAPAN eSIM

Need broader coverage?

Select a country to view available eSIM data plans and pricing.

Rwanda
Reunion
Saint Barthelemy
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines
Saudi Arabia
Serbia
Singapore
Slovakia
Slovenia
South Africa
Spain
Sri Lanka
Sweden
Switzerland
Taiwan, Province of China
Tajikistan
Tanzania, United Republic of
Thailand
Timor-Leste
Tonga
Tunisia
Turks and Caicos Islands
Turkiye
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
Uruguay
Uzbekistan
Venezuela, Bolivarian Republic of
Viet Nam
Virgin Islands, British
Zambia
Iceland
India
Indonesia
Iran, Islamic Republic of
Iraq
Ireland
Isle of Man
Israel
Italy
Jamaica
Japan
Jersey
Jordon
Kazakhstan
Kenya
Korea, Republic of
Kyrgyztan
Lao People's Democratic Republic
Latvia
Liechtenstein
Lithuania
Luxembourg
Macao
Madagascar
Malawi
Malaysia
Maldives
Malta
Mauritius
Mexico
Moldova, Republic of
Mongolia
Montenegro
Montserrat
Morocco
Mozambique

Coverage in Japan

SimBuster eSIM connects to top local networks for fast, reliable coverage across Japan

Covered cities in Japan

  • Tokyo
  • Osaka
  • Kyoto
  • Hiroshima
  • Fukuoka

Reliable in cities, towns, and popular travel destinations.

Why use an eSIM in Japan?

Benefits of using an eSIM in Japan

Avoid Roaming Charges

Get Local data rates and save on roaming fees.

Perfect for Travelers

Stay connected for maps, booking, social apps and more.

Instant and Easy Setup

Buy and activate your eSIM in minutes. No physical SIM needed.

Keep Your Main SIM

Use your number for calls while using eSIM for data.

eSIM Compatible
Devices

  • Iphone XS and later
  • Samsung Galaxy S20 and later
  • Google Pixel 3 and later
  • iPad Pro, iPad Air (Cellular)
  • And many more...
Illustration of multiple compatible mobile devices
VIEW ALL DEVICES

FAQ

1. What types of UK phone numbers can I buy?

UK mobile, geographic (01/02), non-geographic (03), and premium (08/09) numbers.

2. Does every number include Receptionist?

Yes. Choose local, mobile, national, toll-free, or starter magic numbers for business, travel, privacy, or app sign-ups.

3. Can I connect AI Bot to my number?

You can connect Receptionist to supported numbers, greet callers, route calls, and update menu options whenever you need.

4. Can I choose a local prefix?

Yes. The AI assistant can answer calls, take messages, and give you call transcripts so you can follow up later.

5. Do you offer toll free numbers?

Yes. Use separate business numbers, call routing, Receptionist, voicemail, and AI call handling from one app.

Get Your Japan eSIM in the SimBuster App

Instant activation. Reliable data. Everything you need for your trip to Japan.

Download on the
App Store
Get it on
Google Play